// NOTE: These should be kept in rank order for easy comparison.
$z-index-under: -1;
// Use `z-index-base` to simply establish a new stacking context.
$z-index-base: 0;
$z-index-default: 1;
$z-index-model-popup: 1;
$z-index-manager-display: 2;
// WIDGET Z-INDEX NOTE: It's important for all widgets in an area to be in the
// same z-index stacking context. The only aspects that should be above the
// base stacking context are the controls (including the label).
$z-index-widget-label: 2;
$z-index-manager-toolbar: 3;
$z-index-widget-controls: 3;
$z-index-widget-focused-controls: 4;
$z-index-admin-bar: 1000;
$z-index-area-schema-ui: 1005;
$z-index-modal: 2000;
$z-index-notifications: 2003;
$z-index-busy: 2004;
